Revert of Revert of make gm background colors 565 compatible

gm/tinybitmap.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "gm.h"
 #include "SkColorPriv.h"
 #include "SkShader.h"
@@ skipping 14 matching lines @@
 
     bm.lockPixels();
     *bm.getAddr8(0, 0) = 0;
     bm.unlockPixels();
     return bm;
 }
 
 class TinyBitmapGM : public GM {
 public:
     TinyBitmapGM() {
-        this->setBGColor(0xFFDDDDDD);
+        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
     }
 
 protected:
     SkString onShortName() {
         return SkString("tinybitmap");
     }
 
     virtual SkISize onISize() { return SkISize::Make(100, 100); }
 
     virtual void onDraw(SkCanvas* canvas) {
@@ skipping 10 matching lines @@
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new TinyBitmapGM; }
 static GMRegistry reg(MyFactory);
 
 }